Home / 410,975.93-616,356.59-122,719.76

Finding the Fourth Proportional to 410,975.93, 616,356.59 and 122,719.76

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Solution

The fourth proportional to 410,975.93, 616,356.59 and 122,719.76 is: 184,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,975.93 : 616,356.59 = 122,719.76 : x
  2. Step 2: Convert to fraction form
    410,975.93/616,356.59 = 122,719.76/x
  3. Step 3: Cross multiply
    410,975.93x = 616,356.59 × 122,719.76
  4. Step 4: Simplify right side
    410,975.93x = 75,639,132,105.47
  5. Step 5: Solve for x
    x = 75,639,132,105.47/410,975.93
  6. Step 6: Final answer
    x = 184,047.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.